30391018 is an even 8-digits composite number following 30391017
and preceding 30391019 . In scientific notation, it is written as 3.0391018 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 12803616 positive integers (up to 30391018) that are relatively prime to 30391018.
30391018 has 16 divisors, whose sum is 52983360
The reverse of 30391018 is 81019303
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty million three hundred ninety-one thousand eighteen
Scientific notation
3.0391018 × 10^7
Engineering notation
3.0391018 × 10^6
Prime Factorization
2 × 7 × 59 × 36793
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30391018
Product of the distinct prime numbers
The prime factorization of 30391018 is 2 × 7 × 59 × 36793.
Since it has a total of 4 prime factors.
6 , 10 , 87 , 94 , 978 , 834 , 1238 , 4682 , 14148 , 33627 , 838914 , 878642 , 3127248 , 8276446 , 74162332 , 7774253 , 895081284 , 209302207 , 3257285135 , 8666903513
n×2
60782036
n×3
91173054
n×4
121564072
n×5
151955090
n÷2
15195509
n÷3
10130339.333333
n÷3
7597754.5
n÷5
6078203.6
n2
923613975076324
n3
2.8069568941596E+22
n4
8.5306277495629E+29
n5
2.5925446148827E+37
2 √n
5512.8049122021
3 √n
312.0674095526
4 √n
74.248265381773
5 √n
31.372494335265
1 , 2 , 7 , 14 , 59 , 118 , 413 , 826 , 36793 , 73586 , 257551 , 515102 , 2170787 , 4341574 , 15195509 , 30391018
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30391017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30391018 can be divided by 16 positive divisors.
The sum of these divisors (counting 30391018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110011111011101011101010
3
Ternary
2010012000122021
4
Quaternary
1303323223222
5
Quinary
30240003033
6
Senary
3003215054
8
Octal
163735352
10
Decimal
30391018
12
Duodecimal
a21748a
16
Hexadecimal
1cfbaea
20
Vigesimal
99ihai
36
Base36
i3duy
md5
25ecacf668067505a1adebe547a85a36
sha1
6d01971d635d7c88c8c404f1b3dcbb49400eb651
sha256
6894bcf5250145f69a78f9b657c672175181c3e6cd3c16e7435be79f07c973c1
sha512
3d1ec557726a8c5fbd4edda321f1e23b847210ea6e0a3a06c0ddf09cb8910a37908dd1044d95d127ced6e7a5bdad15b208edb0ebc208a13d8b61e4aa6b6904a9
ripemd-160
3085216d709238020c65ffdb4f8e8c08c449a832
Diameter
60782036
Circumference
190952397.76783
Area
2.9016188788526E+15
Volume
1.1757753543513E+23
Surface area
1.1606475515411E+16
Circumference
190952397.76783
Perimeter
121564072
Area
923613975076324
Diagonal
42979389.829925
Surface area
5541683850457944
Volume
2.8069568941596E+22
Space diagonal
52638787.26974
Perimeter
91173054
Area
3.9993658285321E+14
Altitude
26319393.63487
Surface area
3.9993658285321E+14
Volume
3.308030423931E+21
Height
14326463.276642